Left Ventricular Diastolic Dysfunction in Adolescents with Type 1 Diabetes Reflects the Long- but Not Short- Term Metabolic Control
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Malgorzata Wojcik
ABSTRACT
Objective: The aim of this study was to compare the LV morphology and function in adolescents with DM1 and their healthy peers.
Subjects and Methods: In 59 DM1 patients (30 girls, 29 boys,aged 14-17 years), and in control group (15 girls, 15 boys) LV was assessed by M-mode, 2D and Doppler echocardiography. The metabolic control was assessed in the long- (mean HbA1c value for the entire treatment period-HbA1c1), medium- (mean HbA1c for the past two pre-study years-HbA1c2), and short-term (HbA1c on the day of the study- HbA1c3).
Results: Diabetic patients presented an increase of IRT (0.062 vs. 0.056 s,p<0.05 in boys, and 0.062 vs. 0.056 s,p<0.05 in girls), A wave (56.1 vs. 53.95 cm/s in boys, and 60.3 vs. 58 cm/s in girls), and deceleration time values (0.16 vs. 0.15 s in boys, and 0.17 vs. 0.15 s in girls), decrease of E wave (97.35 vs. 104.9 cm/s in boys, and 99.67 vs. 101.8 cm/s in girls), as well as the E/A ratio (1.79 vs. 2.0 in boys, and 1.7 vs. 1.78 in girls). The systolic function was normal. In girls there was a correlation between IRT and HbA1c1 and HbA1c2 (r=0.42,r=0.46,p<0.05); between the A wave and HbA1c2 (r=0.46,p<0.05); between LV posterior wall systolic dimension and HbA1c1, HbA1c2 (r=0.45,r=0.41,p<0.05), and in boys between the A wave and HbA1c1 and HbA1c2 (r=0.48,p<0.01;r=0.37, p<0.05).
Conclusions: Pubertal patients with DM1 demonstrate discrete impairment of the diastolic function beside normal systolic function of the LV. Further investigations are needed to assess the value of this observation. It seems that LV diastolic dysfunction in girls depends on the degree of insulin resistance and DM1 duration, and similarly as in boys, on the long-term metabolic control.
© Freund Publishing House Ltd.
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Articles in the same Issue
- A Warning Sign from the Thyroid
- Variable Associations of Klinefelter Syndrome in Children
- Diabetes Insipidus in a Young Child
- Evaluation and Follow-up of Clinically Euthyroid Children with Normal Free T4 and Suppressed TSH
- Bicalutamide plus Anastrozole for the Treatment of Gonadotropin-Independent Precocious Puberty in Boys with Testotoxicosis: A Phase II, Open-Label Pilot Study (BATT)
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- The Relationship of Insulin Secretion and GAD65 Antibody Levels at Diagnosis on Glycemic Control in Type 2 Diabetes
- Morning Cortisol is Not Associated with Truncal Fatness or Resting Blood Pressure in Children: Cross-Sectional and 1-2 Year Follow-Up Analyses
- Decreased Plasma Apelin Levels in Pubertal Obese Children
- Adolescent Acromegaly: Clinical Parameters and Treatment Outcome
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- Effects of a Structured Exercise Program on Insulin Resistance, Inflammatory Markers and Physical Fitness in Obese Korean Children
- Case Series of Neonatal Hypocalcemia due to Pseudohypoparathyroidism
- A Case of Antenatal Bartter Syndrome with Sensorineural Deafness
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